Question: For what was the inception of Baja California Sur in the year 1930?
Paraphrase: Which was the reason for inception of Baja California in 1930?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q46508 p:P571 ?s . ?s ps:P571 ?x filter(contains(YEAR(?x),'1930')) . ?s pq:P155 ?value}